Home / 30,143.63-41,598.71-16,715.45

Finding the Fourth Proportional to 30,143.63, 41,598.71 and 16,715.45

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Solution

The fourth proportional to 30,143.63, 41,598.71 and 16,715.45 is: 23,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.63 : 41,598.71 = 16,715.45 : x
  2. Step 2: Convert to fraction form
    30,143.63/41,598.71 = 16,715.45/x
  3. Step 3: Cross multiply
    30,143.63x = 41,598.71 × 16,715.45
  4. Step 4: Simplify right side
    30,143.63x = 695,341,157.07
  5. Step 5: Solve for x
    x = 695,341,157.07/30,143.63
  6. Step 6: Final answer
    x = 23,067.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.